National Marker N830204 4 in Square Door Hinge Oil Rubbed Bronze

Product Description

The NATIONAL MARKER N830204 is a 4-inch square corner door hinge finished in oil rubbed bronze, designed for interior residential door installations. Built from steel, this hinge features a removable pin for straightforward installation and removal. Mounting screws are included, reducing the need for additional hardware on the job. The square corner profile suits standard residential door frames and is a practical replacement or new-installation choice for interior passage doors in homes and light commercial spaces.

This hinge is intended for interior residential door applications where a square corner profile is required. It is suited for standard hinged passage doors in homes and similar light-duty environments. The oil rubbed bronze finish coordinates with common interior hardware finishes. Referenced as National Model SPB512, this hinge ships as a single unit and is appropriate for use by carpenters, remodelers, and general contractors handling door hardware installs.

Key Features

• 4-inch square corner profile for standard residential interior doors
• Removable pin design for quick installation and door removal
• Oil rubbed bronze finish for a consistent interior hardware appearance
• Steel construction for durable everyday use
• Mounting screws included — no separate hardware required

Compatibility

Referenced as National Model SPB512. Designed for use on interior residential doors with a square corner hinge mortise. Verify door thickness and frame prep before installation.

Installation Notes

Installation is typically performed by carpenters, remodelers, or general contractors. Power down any electric strike or access control hardware associated with the door before servicing hinges. Use a chisel and mallet to prepare the mortise to the correct depth for a flush fit. Confirm all hinge leaves are fully seated and screws are driven straight to avoid binding.

Technical Specifications

• Size: 4 inches square
• Corner Type: Square corner
• Finish: Oil rubbed bronze
• Material: Steel
• Pin Type: Removable
• Weight: 0.559 pounds
• Includes: Mounting screws
• UPC: 00886780009446

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N830204